Blends of polyolefins and polyamides

ABSTRACT

A new class of basic polyamides having a molecular weight between about 2,000 and 200,000. The polyamides are prepared by first reacting an acrylic or methacrylic ester with a monoamine and then further reacting the product obtainable with a polyamine. The polyamides are suitable for use as tinctorial modifiers for polymeric materials and particularly for crystalline polyolefins consisting essentially of isotactic macromolecules.

United States Patent Bonvicini et a1.

[ 1 June 6, 1972 BLENDS OF POLYOLEFINS AND POLYAMIDES inventors; Alberto Bonvicini, Terni; Gulseppe Cantamre, Collescipolhboth of Italy Montccatini Edison S.p.A., Milan, Italy Sept. 29, 1970 Assignce:

Filed:

App]. No.:

Foreign Application Priority Data Oct. 1, 1969 Italy ..22766 A/69 Oct. 2, 1969 Italy ..22830 A/69 U.S. Cl ..260/857 L, 161/173, 161/175,

. 260/2 R, 260/85.7, 260/857 UN, 260/857 PE, 260/857 TW, 260/860, 260/873, 260/898, 260/899,

260/901 Int. Cl ..C08g 41/04 Field of Search. .....260/857 L [56] References Cited FOREIGN PATENTS 0R APPLICATIONS 873,830 7/1961 Great Britain... ...260/857 L 686,378 5/1961 Canada ..260/857 L Primary Examiner-Paul Lieberman Attorney-Hubbell, Cohen & Stiefel [5 7] ABSTRACT for crystalline polyolefins consisting essentially of isotactic macromolecules.

4 Claims, No Drawings BLENDS OF POLYOLEFINS AND POLYAMIDES BACKGROUND OF THE INVENTION 1. Field of the Invention This invention pertains to the field of tinctorial modifiers for 5 polymeric materials. More particularly, this invention concemsthe tinctorial modification of polymeric materials with "l l isan basic polyamides. 0

2. Description of the Prior Art ll Increasing the receptivity to dyes of articles manufactured i from polyolefins consisting essentially of isotactic macromolecules, by mixing the polymers, before forming, wherein R is hydrogen or lower alkyl; with condensation resins characterized by the functional X is group NI-ICO is known.

Such resins, preferably having a low degree of condensation, are obtained from the polycondensation of higher amino- 7-' acids, from the condensation of diamines with bicarboxylic acids, from the condensation of cyclic amides such as the wherein caprolactam (polyamides), or from the reaction of di-iso- R,, is hydrogen or cyanates with higher glycols (polyurethanes) and from the lower alkyl, reaction of di-isocyanates with diamines (polyureas). R, is methylene,

Similarly, the tinctorial modification of polypropylene by arylene selected from the group consisting of [he henthe addition of basic polyamides obtained by.( 1) the polycon- 5 le e ie or densation of isocinchromeronic acid with diamines as E lower alkylenearylene wherein the arylene portion is described in Italian Pat. NO. 692,162, the polycondensat selected frgm the group consisting of the phenyle e 5etion of an N,N-bis (ascarboalkoxyalkyl) piperazine with a: i d diamine as described n Italian and the i a is an integer from 1 to 10; with the proviso that when a is reaction of an acrylic or methacrylic ester with one or more 1, polyamines, is known. R, may also be 1) R NH R Also, in a series of articles in Chimica e Industria (March wherein R8 may be the same or different and is lower 1967, p. 271; May 1967, p. 453; June 1967, p. 587; August; alkyleneor +R NH R 1967, p. 826), a number of basic polyamides obtained by: whereinR is CI-I or C H and polycondensation of various diacrylyl derivatives with difz i an i t f o 1 to 5 or ferent amines have been described. v R, ma be (2) SUMMARY OF THE INVENTION i polyolefins consisting essentially of isotactic macromolecules,

the workability of such mixes in the granulating, extrusion,1

stretching and textile finishing operations is substantially improved.

The polyamides of the present invention may be prepared by reacting a monoamine with an ester of acrylic or methacrylic acid and further reacting the product thus obtained with a polyamine. Preferably, the polyamides of the present invention have molecular weights in the range of from about 2,000 to 200,000.

a heterocyclic bivalent residue which may contain heteroatoms selected from the group consisting of nitrogen in the form of secondary or tertiary amine groups. oxygen, sulfur, and phosphorus; or

Xis

wherein R is as defined hereinabove R is CI-I or -C,H and y is 0 or 1, and wherein R R A, X and b are such that the molecular weight of the polyarnide is between about 2,000 and 200,000.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferably, the portion of formula I designated:

The basic polyamides of the present invention have the for-. mula:

(I) R: so

is a residue of a monoamine selected from the group consisting of methylamine, ethylamine, propylamine, butylamine, hexylarnine, octylamine, dodecylamine, octadecylamine, cyclohexylamine, aniline, and p-toluidine.

Preferably, the portion of formula I designated:

A is a residue of methylacrylate, ethylarcylate, methylmethacrylate, butylacrylate, butylmethacrylate or 2-ethylhexylacrylate.

Preferably, the portion of formula 1 designated:

i is a residue of a polyamine having the formula wherein R R1, R a and y are as defined hereinabove. Mst P ly-tbs PPF iQI! of sn lal ssisnatssh x is a residue of a polyamine selected from the group consisting of ethylenediarnine, hexamethylenediamine, diethyleneu'iamine, tetraethylenepentamine, piperazine, N- Z-aminQethyDpiperaane, p-phenylenediamine, 4,4- methylenedianiline, N,N'-dimethylhexamethylenediamine and N,N'-dibutylhexamethylenediamine.

The polyamides of the present invention may be easily and cheaply obtained by reacting an acrylic or methacrylic ester with aliphatic, cycloaliphatic or aromatic monoamines containing up to 30 carbons, such as, for instance: methylamine, ethylamine, propylamine, butylarnine, hexylamine, octylamine, dodecylarnine, octadecylamine, cyclohexylamine, aniline, and p-toluidine, and then reacting the product of that reaction with one or more polyamines.

Preferable acrylic esters are those with a low number of carbon atoms, such as: methylacrylate, ethylacrylate, and methylmethacrylate. However, acrylic esters with a greater number of carbon atoms such as, for example, butylacrylate, butylmethacrylate, 2-ethylhexylacrylate, and other like acrylic esters, may be used.

Preferably, the polyamine has the formula:

wherein R R R a and y are as defined hereinabove.

Most preferably, the polyamine is selected from the group consisting of ethylenediamine, diethylenetriarnine, tetraethylenepentamine, piperazine, N- (2-aminoethyl)piperazine, p-phenylenediamine, 4,4- methylenedianiline, N,N'-dimethylhexamethylenediamine and N,N-dibutylhexamethylenediamine.

The basic polyamides may be prepared in the presence or hexamethylenediamine,

absence of solvents and/or condensing agents, by first reacting the acrylic or methacrylic ester with the aliphatic or aromatic monoamine containing up to 30 carbon atoms. The reaction product is then reacted with the polyamine by simply adding the polyamine to the reaction mixture. Both of the reactions,

i.e., that of the acrylate with the monoamine and that of product thereof with the polyamine, may be carried out at temperatures ranging from room temperature to about 120 The polycondensation is completed by heating at temperatures in the range between about 120 and 300 C. Also, a vacuum may be used in order to remove from the reaction system the alcohol that is released by the polycondensation.

The molar ratio between the acrylic ester or the methacrylic ester and the total amines is preferably 1:1. However, an excess of one or the other of the reactants may also be used. Preferably an excess of the total amines up to 30 percent is used.

The aliphatic, cycloaliphatic or aromatic monoamine containing up to 30 carbon atoms and the polyamine (or the mixpresent invention) is improved when the polyolefin is present in an amount from about 99-75 percent and preferably 98-90 percent by weight of the total mix and the polyamide is present in an amount from about 1-25 percent and preferably 2-10 percent by weight of the total mix.

Suitable for use with the polyamides of the present are, in general, crystalline polyolefins obtained from monomers of the formula R-CH CH wherein R is an alkyl or aryl group, or a hydrogen atom, and preferably is lower alkyl or an aryl group of the phenyl series. Particularly preferred are polyethylene, polypropylene, polybutene-l, poly-4-methylpentenel polystyrene and the like.

The polyamides of the present invention are also suitable tinctorial modifiers for fibrogenous polymers of a type other than olefinic polymers, such as, for example, acrylic polymers, e.g., polyacrylonitrile, vinyl polymers, e.g., polyvinyl chloride, polyesters, polyamides and the like.

Particularly suitable are those polyolefins consisting mainly of isotactic macromolecules obtained by low-pressure polymerization with stereospecific catalysts.

Preferably, the crystalline polyolefin used is polypropylene consisting essentially of isotactic macromolecules, obtained by the stereospecific polymerization of propylene, or a crystalline propylene-ethylene copolymer with a predominant propylene content.

The mixing of the basic polyamide with the polyolefin, according to this invention, is generally carried out by simple mixing together of the two materials in the form of powders.

It is possible, however, to carry out the addition with other methods, such as, for instance, the mixing of the olefinic polymer with a solution of the basic polyarnide in a suitable solvent, followed by evaporation of the solvent itself or by adding the basic polyamide during or at the end of the polymerization. Additionally, it is also possible to directly mix the non-polycondensed reaction product of the reactants used for preparing the polyamide, with the polyolefin, by letting the polycondensation take place during the thermal treatments to which the polymer is subjected during the granulation and spinning operations.

The polyolefins may be in any form, depending on the desired end use, for example, films, strips, fibers and other formed objects.

When the polyolefin is to be in the form of a fiber, the mixes are first granulated and then extruded through suitable meltspinning devices, operating in the absence of oxygen, but preferably in an atmosphere of inert gases (e.g., nitrogen).

During the mixing, additives, as is well known to the art, such as dulling agents, pigments, organic or inorganic dyestuffs, stabilizers, lubricants, dispersants and the like, may be blended in.

The yarns, after spinning, may be subjected to a stretching or drawing process with a stretch ratio of from about 1:2 to 1:20, at temperatures between about and C., in a stretching apparatus heated by hot air or by steam or a similar fluid, or fitted with heating plates. Alternatively, the fibers may be subjected to a strong orientation after extrusion by methods well known in the art for such purposes.

It is also preferable to'subject the yarns to a sizing treatment (size stabilization) under free or impeded shrinkage,at about 80l60 C., such sizing treatments being well known in the art.

The spinning may be carried out using conventional spinnerets, preferably spinnerets having holes with a diameter greater than about 0.5 millimeter and with a length/diameter ratio greater than about 1.1, but preferably between about 10 and 30. The holes of the spinnerets may have either circular or non-circular cross sections.

The dyeable compositions, according to this invention, also may be used in bicomponent fibers, e.g., either the inside or the outside lining of sheath-core fibers or in side-by-side fibers, or as a part of a conjugated fiber, e.g., a co-spun fiber. The yarns obtained may be either monoor multi-filament and can be used for the preparation of either continuous filaments or staples, for the preparation of yarns or bulk staples, or for the preparation of non-woven structures, i.e., "spun bonded" and non Wovens".

The monoor multi-filament fibers obtained according to this invention, if desired, may be subjected to further treatments with reactants capable of rendering the basic polyamides completely insoluble in water. Particularly suitable reactants for this purpose are monoand diepoxides monoand di-isocyanates, monoand di-aldehydes, halogens, divinylbenzene and the like.

The fibers and other manufactured products may also be subjected to an acid treatment which will improve the dyeability and color fastness. These treatments can be carried out either before or after the stretching operation.

The fibers obtained according to this invention possess excellent receptivity towards the dyes belonging to the classes of acid, metallized and plastosoluble dyes, and fibers thus dyed possess a good stability and particularly good light fastness.

The following examples further illustrate our invention.

In the examples, the dyeing operations were carried out for 1% hours at the boiling point, in dyeing baths containing 2.5 percent of dye (acid, pre-metallized or plastosoluble) based on the weight of the fibers, with a fiber/bath ratio of 1:40.

The dyeings with acid and pre-metallized dyes were conducted in the presence of 1 percent by weight, based on the weight of the fiber, of a surfactant consisting of the product of condensation of ethylene oxide with an alkylphenol or of the sodium salt of N-oleyl-N-methyltaun'ne. minutes after the start of the boiling, 2 percent, based on the weight of the fiber, of a 20 percent solution of acetic acid was added in order to improve the exhaustion of the baths.

The dyeings with plastosoluble dyes were conducted in the presence of 2 percent of surfactant and 3 percent of ammonium acetate, based on the weight of the fiber.

After the dyeing, the yams were rinsed with running water. The rinsed yarns appeared intensely dyed, both with the acid and the premetallized dyes as well as with the plastosoluble dyes.

The light fastness, resistance to washing and rubbing of the dyed material proved fully satisfactory.

EXAMPLE 1 269 g (1 mole) of octadecylamine and 172 g (2 moles) of methylacrylate were heated with stirring, under a nitrogen atmosphere, at a temperature of 100 C. for 2 hours. To this mixture were then added 129 g 1 mole) of N-(2-aminoethyl)- piperazine and the whole was then further heated at 100 C. for 2 hours,at 120 C. for 2 hours, at 150 C. for 1 hour and at 180 C. for 1 hour, removing the methanol formed during the reaction. The reaction mixture was further treated for 1 hour at 180 C. under vacuum.

The product obtained was a solid, basic polyamide having a yellowish color, an intrinsic viscosity [1;] of 0.08 dl/g, measured in a 0.5 percent isopropanol solution, a melting point of 120 C., and titratable nitrogen of 5.4 percent (calculated 5.5 percent).

EXAMPLE 2 185 g (1 mole) of dodecylamine and 172 g (2 moles) of methyl acrylate were heated with stirring, under a nitrogen atmosphere, at 100 C. for 2 hours. To this mixture were then added 129 g (1 mole) of N-(2-aminoethyl) piperazine. The whole mixture was further heated at 100 C. for 2 hours, at 120 C. for 2 hours, at 150 C. for 1 hour and at 180 C. for 1 hour, removing all the methanol formed during the reaction. The reaction mixture was further treated at 180 C. for 1 hour, under vacuum.

The basic polyamide thus obtained was a semi-solid product having a light yellow color, with a titratable nitrogen of 6.5 percent (calculated 6.6 percent).

EXAMPLE 3 269 g (1 mole) of octadecylamine and 172 g (2 moles) of methyl acrylate were heated with stirring, in a nitrogen current, at C. for 2 hours. To this mixture were then added 208 g (1.1 moles) of tetraethylenepentamine, and the whole was heated at 100 C. for 2 hours, at C. for 2 hours, at C. for 1 hour and at C. for 1 hour, removing the methanol that had formed during the reaction. The reaction mixture was further treated for 1 hour under vacuum at 180 C.

The basic polyamide thus obtained was a yellow solid having a titratable nitrogen of 10.0 percent (calculated 10.0 percent).

EXAMPLE 4 80.7 g (0.3 moles) of octadecylamine and- 51.6 g (0.6 moles) of methyl acrylate were heated with stirring, a nitrogen current, at 100 C. for 2 hours. To this mixture were then added 129 g (1 mole) of N-(Z-aminoethyl) piperazine and 60.2 g (0.7 moles) of methyl acrylate. The whole was then heated at 100 C. for 2 hours, at 120 C. for 2 hours, at 150 C. for 1 hour and at 180 C. for 1 hour, removing the methanol that had formed during the reaction. The reaction mixture was further treated for 1 hour at 180 C. under vacuum.

The basic polyamide thus obtained was a light yellow solid, having an intrinsic viscosity [1;] of 0.08 dl/g (measured in a 0.5 percent isopropanol solution) and a titratable nitrogen of 9.85 percent (calculated 10.0 percent).

EXAMPLE 5 55.5 g (0.3 moles) of dodecylamine and 51.6 g (0.6 moles) of methyl acrylate were heated with stirring, in a nitrogen current, at 100 C. for 2 hours. To this mixture were then added 129 g (1 mole) of N-(2aminoethyl) piperazine and 60.2 g(0.7 moles) of methyl acrylate. The whole was then heated at 100 C. for 2 hours, at 120 C. for 2 hours, at 150 C. for 1 hour and at 180 C. for 1 hour, removing the methanol that had formed during the reaction. The reaction mixture was further treated for 1 hour at 180 C. under vacuum.

The basic polyamide thus obtained was a waxy solid product having a light yellow color, an intrinsic viscosity [1;] of 0.08 dl/g (measured in a 0.5 percent isopropanol solution) and a titratable nitrogen of 10.90 percent (calculated 11.0 percent).

EXAMPLE 6 80.7 g (0.3 moles) of octadecylamine and 60 g (0.6 moles) of methylrnethacrylate w ere heated with stirring in a nitrogen current for 2 hours at 100 C. To this mixture were then added 129 g (1 mole) of N-(2-aminoethyl) piperazine and 70 g (0.7 moles) of methylmethacrylate. The whole was then heated for 2 hours at 100 C., for 2 hours at 120 C., for 1 hour at 150 C. and for 1 hour at 180 C., removing all the methanol that had formed during the reaction. The reaction mixture was further treated for 1 hour at 180 C. under vacuum.

The basic polyamide thus obtained was a light yellow solid having an intrinsicviscosity [1;] of 0.06 dl/g (measured in a 0.5 percent isopropanol solution) the titratable nitrogen being 9.35 percent (calculated 9.4 percent).

EXAMPLE 7 80.7 g (0.3 moles) of octadecylamine and 51.6 g (0.6 moles) of methyl acrylate were heated with stirring in a nitrogen current for 2 hours at 100 C. To this mixture were then added 64.5 g (0.5 moles) of N-(2-aminoethyl) piperazine, 94.5 g (0.5 moles) of tetraethylenepentamine and 60.2 g (0.7 moles) of methyl acrylate, and the whole was then further heated for 2 hours at 100 C., for 2 hours at 120 C., for 1 hour at 150 C. and for 1 hour at 180 C., removing all the methanol that had formed during the reaction. The mixture was then treated for 1 hour at 180 C. under vacuum.

EXAMPLE 8 80.7 g (0.3 moles) of octadecylamine and 51.6 g (0.6 moles) of methyl acrylate were heated with stirring in a current of nitrogen for 2 hours at 100 C. To this mixture were then added 60 g (1 mole) of ethylenediarnine and 60.2 g (0.7 moles) of methyl acrylate, and the whole was then heated for 2 hours at 100 C., for 2 hours at 120 C., for 1 hour at 150 C. and for 1 hour at 180 C., removing the methanol that had formed during the reaction. The mixture was then further treated for 1 hour at 180 C. under vacuum.

The basic polyamide thus obtained was a light yellow solid having an intrinsic viscosity [1;] of 0.06 dl/g (measured in a 0.5 percent isopropanol solution), the titratable nitrogen being 8.4 percent (calculated 8.6 percent).

EXAMPLE 9 53.8 g (0.2 moles) of octadecylarnine and 34.4 g (0.4 moles) of methyl acrylate were heated with stirring in a current of nitrogen for 2 hours at 100 C. To this mixture were then added 129 g (1 mole) of N-(2-aminoethyl) piperazinc and 68.8 g (0.8 moles) of methyl acrylate, and the whole was then heated for 2 hours at 100 C., for 2 hours at 120 C., for 1 hour at 150 C. and for 1 hour at 180 C., removing the methanol that had formed during the reaction. The mixture was further treated for 1 hour at 180 C. under vacuum.

The basic polyamide thus obtained was a light yellow solid product having an intrinsic viscosity [1;] of 0.11 dl/g (measured in a 0.5 percent isopropanol solution), the titratable nitrogen beingl 1.2 percent (calculated l 1.3 percent).

EXAMPLE 10 Spinning:

Temperature of worm screw 230 C. Temperature of extruding head 230 C. Temperature of spinneret 235 C.

Spinneret: 60 holes, each having a diameter of 0.8 and a length of 16 mm.

Maximum pressure: 50 kg/sq. cm.

Winding speed: 400 m/min.

Stretching: (Drawing) Temperature 130 C.

Medium steam Stretching ratio: 1:5

The fibers obtained possessed a good affinity towards the following dyestuffs:

Red for W001 B Alizarine Blue SE Lanasyn Red 26L Lanasyn Brown 3RL (C.l. acid red 115) (C1. acid blue 43) (Cl. acid red 216) (C1. acid brown 30) The dyed fibers possessed good light fastness and good fastness to washing and rubbing.

EXAMPLE 1 1 70 g of basic polyamide, obtained according to Example 2, were mixed together with 930 g of crystalline polypropylene consisting essentially of isotactic macromolecules having a melt index of 22.5, an ash content of 0.009 percent and a residue after heptane extraction of 97.2 percent.

The mixture was extruded at 220 C., and the granulate obtained was transformed into fibers under the following conditions:

Spinning:

Temperature of worm screw 235 C.

Temperature of extruding head 240 C.

Temperature of spinneret 240 C.

Spinneret: 60 holes, each having a diameter of 0.8 mm and a length of 16 mm.

Winding speed: 400 rn/min.

Stretching:

Temperature C.

Medium steam Stretching ratio: 1 :5

The fibers obtained possessed a good afiinity towards the dyes listed in Example 10. The dyed fibers possessed good light fastness and good resistance to washing and rubbing.

EXAMPLE 12 50 g of a basic polyamide, obtained according to Example 3, were mixed together with 950 g of crystalline polypropylene consisting essentially of isotactic macromolecules having a melt index of 22.5, an ash content of 0.009 percent and a residue after heptane extraction of 97.2 percent.

This mixture was extruded at 220 C., and the granulate obtained was transformed into fibers under the following conditions:

Spinning:

Temperature of worm screw 240 C.

Temperature of extruding head 240 C.

Temperature of spinneret 245 C.

Spinneret: 60 holes, each having a diameter of 0.8 mm. and a length of 16 mm.

Maximum pressure: 51 kg/sq. cm. Winding speed: 400 m/min. Stretching:

Temperature 130 C. Medium steam Stretching ratio: 1:5

The fibers obtained possessed good affinity towards the dyes listed in Example 10. The dyed fibers possessed good light fastness and good resistance to washing and rubbing.

EXAMPLE 13 Spinning:

Temperature of the worm screw 230 C. Temperature of extruding head 230 C. Temperature of spinneret 240 C.

Spinneret: 60 holes, each having a diameter of 0.8 mm and a length of 16 mm.

Maximum pressure: 50 kg/sq. cm.

Winding speed: 400 m/min.

Stretching:

Temperature 130 C.

Medium steam Stretching ratio: 1:5

The fibers obtained possessed a good affinity towards the dyes listed in Example 10. The dyed fibers possessed good light fastness and good resistance to washing and rubbing.

40 g of a basic polyamide, obtained by reacting 55.5 g (0.3 moles) of dodecylamine, 111.8 g (1.3 moles) of methylacrylate and 129 g (1 mole) of N-(2-aminoethyl)pipera2ine, were mixed together with 960 g of crystalline polypropylene eonsisting essentially of isotactic macromolecules (melt index of 22.5, an ash content of 0.009 percent, and residue after heptane extraction of 97.2 percent).

The mixture was extruded at 220 C., and the granulate obtained was transformed into fibers under the following conditrons:

Spinning:

Temperature of worm screw 235 C. Temperature of extruding head 235 C. Temperature of spinneret 240 C.

Spinneret: 60 holes, each having a diameter of0.8 mm and a length of 16 mm.

Maximum pressure: 52 kg/sq. cm.

Winding speed: 400 m/min. Stretching:

Temperature 130 C. Medium steam Stretching ratio: 1:5

The fibers obtained possessed good affinity towards the dyes listed in Example 10. The fibers thus dyed possessed good light fastness and good resistance to washing and rubbing.

EXAMPLE 15 Spinning:

Temperature of worm screw 230 C.

Temperature of extruding head 235 C.

Temperature of spinneret 240 C.

Spinneret: 60 holes, each having a diameter of 0.8 mm and a length of 16 mm.

Maximum pressure: 50 kg/sq. cm. Winding speed: 400 m/min. Stretching:

Temperature 130 C. Medium steam Stretching ratio: l:5

The fibers thus obtained possessed good affinity towards the dyes listed in Example 10. The dyed fibers possessed good light fastness and good resistance to washing and rubbing.

EXAMPLE 16 40 g of a basic polyamide, obtained by reacting 80.7 g (0.3 moles) of octadecylamine, 11 1.8 g 1.3 moles) of methylacrylate, 64.5 g (0.5 moles) of N-(2-aminoethyl)piperazine and 94.5 g (0.5 moles) of tetraethylenepentamine, were mixed together with 960 g of crystalline polypropylene consisting essentially of isotactic macromolecules having a melt index of 22.5 an ash content of 0.009 percent and a residue after heptane extraction of 97.2 percent.

This mixture was extruded at 220 C., and the granulate obtained was transformed into fibers under the following conditions:

Spinning: Temperature of worm screw 240 C. Temperature of extruding head 240 C.

Temperature of spinneret 245 C.

Spinneret: 60 holes, each having a diameter of 0.8 mm and a length of 16 mm.

Maximum pressure: 50 kg/sq. cm.

Winding speed: 400 m/min.

Stretching:

Temperature C.

Medium steam Stretching ratio: 1:5

The fibers obtained possessed good affinity towards the dyes listed in Example 10. The dyed fibers possessed good light fastness and good resistance to washing and rubbing.

EXAMPLE 17 50 g of a basic polyamide, obtained by reacting 80.7 g (0.3 moles) of octadecylamine, 111.8 g (1.3 moles) of methylacrylate and 60 g (1 mole) of ethylenediamine, were mixed together with 950 g of crystalline polypropylene consisting essentially of isotactic macromolecules having a melt index of 22.5 an ash content of 0.009 percent, and a residue after heptane extraction of 97.2 percent.

This mixture was extruded at 220 C., and the granulate obtained was transformed into fibers under the following conditions:

Spinning:

Temperature of worm screw 235 C. Temperature of extruding head 235 C. Temperature of spinneret 240 C.

Spinneret: 60 holes, each having a diameter of 0.8 and a length of 16 mm.

Maximum pressure: 50 kg/sq. cm.

Winding speed: 400 m/min.

Stretching:

Temperature 130 C.

Medium steam Stretching ratio: 1 :5

The fibers obtained possessed good afiinity towards the dyes listed in Example 10. The dyed fibers possessed good light fastness and good resistance to washing and rubbing.

EXAMPLE 18 40 g of a basic polyamide, obtained by reacting 53.8 g (0.2 moles) of octadecylarnine, 103.2 g (1.2 moles) of methylacrylate and 129 g (1 mole) of N-(2-aminoethyl)piperazine, were mixed together with 960 g of crystalline polypropylene consisting essentially of isotactic macromolecules having a melt index of 22.5, an ash content of 0.009 percent, and a residue after heptane extraction of 97.2 percent.

The mixture was extruded at 220 C., and the granulate obtained was transformed into fibers under the following conditions:

Spinning:

Temperature of wonn screw 235 C. Temperature of extruding head 240 C. Temperature of spinneret 245 C.

Spinneret: 60 holes, each having a diameter of 0.8 mm and a length of 16 mm.

Maximum pressure: 50 kgjsq. cm.

Winding speed: 400 m/min.

Stretching:

Temperature 130 C.

Medium steam Stretching ratio: 1:5

The fibers obtained possessed good affinity towards the dyes listed in Example 10. The dyed fibers possessed good light fastness and good resistance to washing and rubbing.

Variations can, of course, be made without departing from the spirit and scope of the invention.

Having thus described the invention, what is desired to be secured by Letters Patent and hereby claimed is:

We claim:

1. A dyeable polymeric composition comprising a blend of from about 99-75 percent by weight of a crystalline polyolefin consisting essentially of isotactic macromolecules and from about l-25 percent by weight of a basic polyamide, the monomeric units of which may be the same or different, said polyamide having the formula:

wherein: n and m are integers from 1 to 99; Fisan integer; N is nitrogen;

R is N HR wherein R is hydrogen, an alkyl radical, an aryl radical selected from the group consisting of radicals of the phenyl and naphthyl series, or a lower cycloalkyl radical; or

R together with the nitrogen, form a heterocyclic ring; or

R is COOR wherein R is lower alkyl containing one to eight carbon atoms;

R is an aliphatic radical, a cycloaliphatic radical, or an aromatic radical selected from the group consisting of radicals of the phenyl and naphthyl series, which radical contains up to 30 carbon atoms;

A is

wherein R is hydrogen or a lower alkyl radical;

X is

wherein R is Cl-l or C H and z is an integer from 1 to 5;

or R, may be a bivalent heterocyclic residue which may contain heteroatoms selected from the group consisting of nitrogen in the form of secondary or tertiary amine groups, oxygen, sulfur and phosphorus; or

X is

wherein R,, is as defined hereinabove, R is -CH, or C H,-, and y is 0 or 1, the molecular weight of the polyamide being between about 2,000 and 200,000.

2. The composition of claim 1 wherein the polyolefin is polyethylene, polypropylene, polybutene-l, poly-4-methylpentene-l, polystyrene or a crystalline ethylene-propylene copolymer having a predominant amount of propylene.

3. A dyeable composition comprising from about 99-75 percent by weight of a crystalline polyolefin consisting essentially of isotactic macromolecules, said polyolefin being selected from the roup consisting of olyethylene, polypropylene, poly utenel poly-4-met ylpenten e-l polystyrene and a crystalline ethylene-propylene copolymer having a predominant amount of propylene, and from about 1-25 percent by weight of the basic polyamide as defined in claim 1, wherein:

a. that portion of formula I designated:

is a residue of a monoamine selected from the group consisting of methylarnine, ethylamine, propylamine, butylamine, hexylamine, octylamine, dodecylamine, octadecylarnine, cyclohexylamine, aniline, and p-toluidine; b) that portion of formula I designated:

is a residue of methylacrylate, ethylacrylate, methylmethacrylate, butylacrylate, butylmethacrylate or 2- ethylhexylacrylate; and c. that portion of formula I designated:

is a residue of a polyamine selected from the group consisting of ethylenediamine, hexamethylenediamine, diethylentriamine, tetraethylenepentamine, piperazine, N-( 2- aminoethyl)piperazine, p-phenylenediamine,4, 4- methylenediamiline, N, N-dimethylhexa-methylenediamine and N, N-dibutylhexamethylenediamine.

4. The polymeric composition of claim 3 in the form of fibers, films, strips, or shaped articles. 

2. The composition of claim 1 wherein the polyolefin is polyethylene, polypropylene, polybutene-1, poly-4-methylpentene-1, polystyrene or a crystalline ethylene-propylene copolymer having a predominant amount of propylene.
 3. A dyeable composition comprising from about 99-75 percent by weight of a crystalline polyolefin consisting essentially of isotactic macromolecules, said polyolefin being selected from the group consisting of polyethylene, polypropylene, polybutene-1, poly-4-methylpentene-1, polystyrene and a crystalline ethylene-propylene copolymer having a predominant amount of propylene, and from about 1-25 percent by weight of the basic polyamide as defined in claim 1, wherein: a. that portion of formula I designated: is a residue of a monoamine selected from the group consisting of methylamine, ethylamine, propylamine, butylamine, hexylamine, octylamine, dodecylamine, octadecylamine, cyclohexylamine, aniline, and p-toluidine; b) that portion of formula I designated: -A-is a residue of methylacrylate, ethylacrylate, methylmethacrylate, butylacrylate, butylmethacrylate or 2-ethylhexylacrylate; and c. that portion of formula I designated: -X-is a residue of a polyamine selected from the group consisting of ethylenediamine, hexamethylenediamine, diethylentriamine, tetraethylenepentamine, piperazine, N-(2-aminoethyl)piperazine, p-phenylenediamine,4, 4''-methylenediamiline, N, N'' -dimethylhexa-methylenediamine and N, N''-dibutylhexamethylenediamine.
 4. The polymeric composition of claim 3 in the form of fibers, films, strips, or shaped articles. 